/* 计算多个不同鞋码对应的脚长 */
#include <stdio.h>
#define ADJUST 7.31

int main(void)
{
	const double SCALE = 0.333;
	double shoe, foot;

		
	printf("Shoe size (men's)  foot length\n");
	shoe = 3.0;
	while(shoe < 18.5) {
		foot = SCALE * shoe + ADJUST;
		printf("%10.1f %15.2f  inches\n", shoe, foot);
		shoe = shoe + 1.0;
	}

	return 0;
}
